19285594868274 has 128 divisors (see below), whose sum is σ = 45468347258880. Its totient is φ = 5339407816704.

The previous prime is 19285594868237. The next prime is 19285594868297. The reversal of 19285594868274 is 47286849558291.

It is a self number, because there is not a number n which added to its sum of digits gives 19285594868274.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 668255257 + ... + 668284115.

It is an arithmetic number, because the mean of its divisors is an integer number (355221462960).

Almost surely, 2^{19285594868274} is an apocalyptic number.

19285594868274 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 19285594868274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22734173629440).

19285594868274 is an abundant number, since it is smaller than the sum of its proper divisors (26182752390606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19285594868274 is a wasteful number, since it uses less digits than its factorization.

19285594868274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32624.

The product of its digits is 2786918400, while the sum is 78.

The spelling of 19285594868274 in words is "nineteen trillion, two hundred eighty-five billion, five hundred ninety-four million, eight hundred sixty-eight thousand, two hundred seventy-four".